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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 501087.pdf | 832 kB | Shaun Ewing | Jul 11, 1893 00:00 |
|
US-501087-A // Electric Signaling. // Lockwood, Thomas D. And Sherwood J. Larned Of Evanston Illinois // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 832 kB | Shaun Ewing | Jul 11, 1893 00:00 | US-501087-A // Electric Signaling. // Lockwood, Thomas D. And Sherwood J. Larned Of Evanston Illinois // American Telephone & Telegraph, New York NY | ||||
| PDF File 501086.pdf | 840 kB | Shaun Ewing | Jul 11, 1893 00:00 |
|
US-501086-A // Station Apparatus for Telephone-circuits. // Sherwood J. Larned, Of Illinois And Frank A. Picker-Nell Of Newark New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 840 kB | Shaun Ewing | Jul 11, 1893 00:00 | US-501086-A // Station Apparatus for Telephone-circuits. // Sherwood J. Larned, Of Illinois And Frank A. Picker-Nell Of Newark New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 501085.pdf | 636 kB | Shaun Ewing | Jul 11, 1893 00:00 |
|
US-501085-A // Telephone Circuit and Apparatus. // Sherwood J. Larned, Of Illinois And Frank A. Picker-Nell Of Newark New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 636 kB | Shaun Ewing | Jul 11, 1893 00:00 | US-501085-A // Telephone Circuit and Apparatus. // Sherwood J. Larned, Of Illinois And Frank A. Picker-Nell Of Newark New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 494385.pdf | 1.45 MB | Shaun Ewing | Mar 28, 1893 00:00 |
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US-494385-A // Telephone and Signaling Circuit. // Frank A. Pickernell, Of New Jersey And Francis W. Dunbar Of New York N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Mar 28, 1893 00:00 | US-494385-A // Telephone and Signaling Circuit. // Frank A. Pickernell, Of New Jersey And Francis W. Dunbar Of New York N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 492483.pdf | 652 kB | Shaun Ewing | Feb 28, 1893 00:00 |
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US-492483-A // Busy-signal for telephone-circuits // Edward J. Hall, of And Frank A. Pickernell of Newark New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 652 kB | Shaun Ewing | Feb 28, 1893 00:00 | US-492483-A // Busy-signal for telephone-circuits // Edward J. Hall, of And Frank A. Pickernell of Newark New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 492482.pdf | 735 kB | Shaun Ewing | Feb 28, 1893 00:00 |
|
US-492482-A // Signaling apparatus and circuit // Edward J. Hall, Of And Prank A. Pickernell Of Newark New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Feb 28, 1893 00:00 | US-492482-A // Signaling apparatus and circuit // Edward J. Hall, Of And Prank A. Pickernell Of Newark New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 492471.pdf | 593 kB | Shaun Ewing | Feb 28, 1893 00:00 |
|
US-492471-A // System of combined telephony and telegraphy // Frank A. Pickernell, of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 593 kB | Shaun Ewing | Feb 28, 1893 00:00 | US-492471-A // System of combined telephony and telegraphy // Frank A. Pickernell, of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 491553.pdf | 1.04 MB | Shaun Ewing | Feb 14, 1893 00:00 |
|
US-491553-A // Trunk-line signaling apparatus and circuit for telephone-exchanges // Edward J. Hall, Of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Feb 14, 1893 00:00 | US-491553-A // Trunk-line signaling apparatus and circuit for telephone-exchanges // Edward J. Hall, Of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 482174.pdf | 547 kB | Shaun Ewing | Sept 06, 1892 00:00 |
|
US-482174-A // Telephone-exchange apparatus // Angus S. Hibbard, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 547 kB | Shaun Ewing | Sept 06, 1892 00:00 | US-482174-A // Telephone-exchange apparatus // Angus S. Hibbard, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 481120.pdf | 443 kB | Shaun Ewing | Aug 16, 1892 00:00 |
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US-481120-A // Electric annunciator // Frank A. Pickernell, Of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 443 kB | Shaun Ewing | Aug 16, 1892 00:00 | US-481120-A // Electric annunciator // Frank A. Pickernell, Of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 476618.pdf | 471 kB | Shaun Ewing | Jun 07, 1892 00:00 |
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US-476618-A // Apparatus and system for compound telegraphy and telephony // Francis W. Dtjnbar, Of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Jun 07, 1892 00:00 | US-476618-A // Apparatus and system for compound telegraphy and telephony // Francis W. Dtjnbar, Of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 469995.pdf | 548 kB | Shaun Ewing | Mar 01, 1892 00:00 |
|
US-469995-A // Electro-magnetic annunciator // Francis W. Dunbar, Of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 548 kB | Shaun Ewing | Mar 01, 1892 00:00 | US-469995-A // Electro-magnetic annunciator // Francis W. Dunbar, Of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 453863.pdf | 650 kB | Shaun Ewing | Jun 09, 1891 00:00 |
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US-453863-A // Distributing-frame for electric conductors // Angus S. Iiibbard, Of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 650 kB | Shaun Ewing | Jun 09, 1891 00:00 | US-453863-A // Distributing-frame for electric conductors // Angus S. Iiibbard, Of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 405677.pdf | 754 kB | Shaun Ewing | Jun 18, 1889 00:00 |
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US-405677-A // Telephone Combination-circuit. // Frank A. Pickernell, of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Jun 18, 1889 00:00 | US-405677-A // Telephone Combination-circuit. // Frank A. Pickernell, of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 397331.pdf | 462 kB | Shaun Ewing | Feb 05, 1889 00:00 |
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US-397331-A // Telephone circuit and apparatus // John A. Barrett, Of New York // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Feb 05, 1889 00:00 | US-397331-A // Telephone circuit and apparatus // John A. Barrett, Of New York // American Telephone & Telegraph, New York NY | ||||
| PDF File 371557.pdf | 260 kB | Shaun Ewing | Oct 18, 1887 00:00 |
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US-371557-A // Means for preventing induction on electrical conductors // Stephen C. Drew, Of Massachusetts // American Telephone & Telegraph, Maine | |||
| Version 1 (current) | 260 kB | Shaun Ewing | Oct 18, 1887 00:00 | US-371557-A // Means for preventing induction on electrical conductors // Stephen C. Drew, Of Massachusetts // American Telephone & Telegraph, Maine | ||||
| PDF File 350715.pdf | 600 kB | Shaun Ewing | Oct 12, 1886 00:00 |
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US-350715-A // Telephone-circuit. // John A. Baekett, Of // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Oct 12, 1886 00:00 | US-350715-A // Telephone-circuit. // John A. Baekett, Of // American Telephone & Telegraph, New York NY |
